North Korean athletes are subject to round-the-clock security at the 2018 Winter Olympics in South Korea.

Each athlete has a "minder" who will even follow them into the toilet so their whereabouts can be guaranteed at all times.

Athletes - North - Korea - Athletes - Nations

Athletes from North Korea are "separated" from athletes from other nations.

North Korea is paranoid that its Olympic stars could defect from the country.

Olympic - Athletes - North - Korea - Security

Olympic athletes from North Korea have to put up with extraordinary security measures that includes round-the-clock surveillance and separation from other nations.

A report on CNN indicates that North Korea sent minders to follow its athletes and ensure they do not run away and defect — the process of abandoning one's country in favour of an opposing one.

Athletes - North - Korea - South - Korea

Athletes from North Korea and South Korea marched alongside each other at the 2018 Winter Olympics opening ceremony on Friday.

They carried the Korea Unification flag, waved to the crowds, and smiled at the cameras. But away from the cameras there is no fraternising. Athletes from North Korea "are separated from the other athletes," according to Lee Chul-sung, the South Korean police official in charge of Olympics...